TraceGroup: Implemented paint_label

[pulseview.git] / pv / view / decodetrace.cpp

diff --git a/pv/view/decodetrace.cpp b/pv/view/decodetrace.cpp
index 899de3b238743f320d638c87308719f9f961ddc7..d97d01ef623931c2769c25dc5fe34b798cd6365c 100644 (file)
--- a/pv/view/decodetrace.cpp
+++ b/pv/view/decodetrace.cpp
@@ -22,6 +22,8 @@ extern "C" {
 #include <libsigrokdecode/libsigrokdecode.h>
 }
 
+#include <mutex>
+
 #include <extdef.h>
 
 #include <tuple>
@@ -51,10 +53,14 @@ extern "C" {
 #include <pv/widgets/decodergroupbox.h>
 #include <pv/widgets/decodermenu.h>
 
+using boost::shared_lock;
+using boost::shared_mutex;
 using std::dynamic_pointer_cast;
 using std::list;
+using std::lock_guard;
 using std::make_pair;
 using std::max;
+using std::make_pair;
 using std::map;
 using std::min;
 using std::pair;
@@ -150,6 +156,16 @@ const std::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
        return _decoder_stack;
 }
 
+pair<int, int> DecodeTrace::v_extents() const
+{
+       /// @todo Replace this with an implementation that knows the true
+       /// height of the trace
+       QFontMetrics m(QApplication::font());
+       const int text_height =  m.boundingRect(QRect(), 0, "Tg").height();
+       const int row_height = (text_height * 6) / 4;
+       return make_pair(-row_height / 2, row_height * 7 / 2);
+}
+
 void DecodeTrace::paint_back(QPainter &p, int left, int right)
 {
        Trace::paint_back(p, left, right);
@@ -692,7 +708,8 @@ QComboBox* DecodeTrace::create_channel_selector(
 {
        assert(dec);
 
-       const vector< shared_ptr<Signal> > sigs = _session.get_signals();
+       shared_lock<shared_mutex> lock(_session.signals_mutex());
+       const vector< shared_ptr<Signal> > &sigs(_session.signals());
 
        assert(_decoder_stack);
        const auto channel_iter = dec->channels().find(pdch);
@@ -725,7 +742,9 @@ void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec
        assert(dec);
 
        map<const srd_channel*, shared_ptr<LogicSignal> > channel_map;
-       const vector< shared_ptr<Signal> > sigs = _session.get_signals();
+
+       shared_lock<shared_mutex> lock(_session.signals_mutex());
+       const vector< shared_ptr<Signal> > &sigs(_session.signals());
 
        for (const ChannelSelector &s : _channel_selectors)
        {